A095331 Number of A095321-primes in range ]2^n,2^(n+1)].

0, 0, 0, 0, 0, 0, 0, 1, 4, 15, 14, 52, 83, 199, 260, 850, 1204, 3435, 4596, 13102, 19095, 51386, 72485, 199933, 296317, 777795, 1152625, 3017298, 4571188, 11663138, 17768490, 45124684, 70038513

Offset

1,9

Comments

Ratios a(n)/A036378(n) converge as: 0, 0, 0, 0, 0, 0, 0, 0.023256, 0.053333, 0.109489, 0.054902, 0.112069, 0.095183, 0.123449, 0.085809, 0.148888, 0.11201, 0.168465, 0.118959, 0.17805, 0.136066, 0.191584, 0.141102, 0.202809, 0.15644, 0.213343, 0.164021, 0.222483, 0.174424, 0.230053, 0.180974, 0.23708, 0.18964

Links

Table of n, a(n) for n=1..33.

A. Karttunen and J. Moyer: C-program for computing the initial terms of this sequence

Index entries for sequences related to occurrences of various subsets of primes in range ]2^n,2^(n+1)]

Crossrefs

a(n) = A036378(n)-A095330(n).

Sequence in context: A284119 A290377 A332767 * A163773 A306825 A210788

Adjacent sequences: A095328 A095329 A095330 * A095332 A095333 A095334

Keyword

nonn

Author

Antti Karttunen, Jun 04 2004

Status

approved